WO2016199203A1 - Moteur et compresseur - Google Patents

Moteur et compresseur Download PDF

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Publication number
WO2016199203A1
WO2016199203A1 PCT/JP2015/066515 JP2015066515W WO2016199203A1 WO 2016199203 A1 WO2016199203 A1 WO 2016199203A1 JP 2015066515 W JP2015066515 W JP 2015066515W WO 2016199203 A1 WO2016199203 A1 WO 2016199203A1
Authority
WO
WIPO (PCT)
Prior art keywords
iron core
insulator
core
axial direction
motor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2015/066515
Other languages
English (en)
Japanese (ja)
Inventor
計憲 足達
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP2017522774A priority Critical patent/JP6479179B2/ja
Priority to US15/554,730 priority patent/US10797551B2/en
Priority to PCT/JP2015/066515 priority patent/WO2016199203A1/fr
Priority to EP15864315.5A priority patent/EP3128649B1/fr
Priority to CN201610304898.0A priority patent/CN106253533B/zh
Priority to CN201620419096.XU priority patent/CN205725224U/zh
Publication of WO2016199203A1 publication Critical patent/WO2016199203A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/32—Windings characterised by the shape, form or construction of the insulation
    • H02K3/325—Windings characterised by the shape, form or construction of the insulation for windings on salient poles, such as claw-shaped poles
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12—Stationary parts of the magnetic circuit
    • H02K1/14—Stator cores with salient poles
    • H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
    • H02K1/148—Sectional cores
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12—Stationary parts of the magnetic circuit
    • H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
    • H02K1/185—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures to outer stators
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/32—Windings characterised by the shape, form or construction of the insulation
    • H02K3/34—Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
    • H02K3/345—Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation between conductor and core, e.g. slot insulation
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/32—Windings characterised by the shape, form or construction of the insulation
    • H02K3/38—Windings characterised by the shape, form or construction of the insulation around winding heads, equalising connectors, or connections thereto
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/46—Fastening of windings on the stator or rotor structure
    • H02K3/52—Fastening salient pole windings or connections thereto
    • H02K3/521—Fastening salient pole windings or connections thereto applicable to stators only
    • H02K3/522—Fastening salient pole windings or connections thereto applicable to stators only for generally annular cores with salient poles
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/10—Applying solid insulation to windings, stators or rotors, e.g. applying insulating tapes
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2203/00—Specific aspects not provided for in the other groups of this subclass relating to the windings
    • H02K2203/06—Machines characterised by the wiring leads, i.e. conducting wires for connecting the winding terminations
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/32—Windings characterised by the shape, form or construction of the insulation
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/32—Windings characterised by the shape, form or construction of the insulation
    • H02K3/34—Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/08—Insulating casings

Definitions

  • the present invention relates to a motor including an iron core and an insulator constituting a stator, and a compressor including the motor.
  • a stator of a motor a stator having a plurality of core cores arranged in an annular shape, a winding coil wound around each core core, and an insulator that insulates the core core from the winding coil is known.
  • an insulator protrusion 14a is provided on the lower end surface of the insulator
  • an insulator connecting hole 15a is provided on the upper end surface of the iron core 5a.
  • wears with the insulator 6a to the iron core 5a as shown in FIG. 11 by fitting this insulator protrusion part 14a and the insulator connection hole 15a is proposed (for example, refer patent document 1). .
  • a mounting portion extending in the axial direction of the iron core is formed on the insulator. And the thing which pinches
  • a protrusion is provided on the surface facing the upper end surface of the iron core of the insulator, and a hole into which the insulator is inserted is provided on the upper end surface of the iron core.
  • the mounting portion provided on the insulator sandwiches both ends of the iron core in the circumferential direction, so that the winding space of the iron core is reduced. There was a problem that caused a decrease in efficiency.
  • the present invention has been made to solve the above-described problems, and an object of the present invention is to obtain a motor and a compressor that do not reduce the winding space without disturbing the flow of magnetic force.
  • a motor according to the present invention includes an iron core and an insulator disposed on an end surface in the axial direction of the iron core, and the iron core has at least one groove portion on an outer peripheral portion, and the groove portion includes: The insulator is provided in the axial direction of the outer peripheral portion from the end surface of the iron core, and the insulator has at least one first protrusion protruding downward in the axial direction from the contact surface with the iron core, and the first The projecting portion is fitted with the groove portion.
  • the iron core is provided with at least one groove portion in the axial direction from the end surface to the outer diameter side surface
  • the insulator is at least one first protrusion that protrudes downward in the axial direction from the contact surface with the iron core.
  • the first protrusion is configured to fit with the groove.
  • FIG. 1 is a schematic diagram of a compressor equipped with a motor according to Embodiment 1 of the present invention.
  • FIG. 2A is a schematic top view of the stator of the motor according to Embodiment 1 of the present invention.
  • FIG. 2B is a schematic side view of the stator of the motor according to Embodiment 1 of the present invention. As shown in FIGS.
  • the compressor 100 includes a sealed container 1, a suction pipe 1g for supplying a refrigerant into the sealed container 1, a reservoir container 1h connected to the suction pipe 1g, A compression mechanism 1d for compressing refrigerant, a rotating shaft 1c, a rotor 3 connected to the shaft 1c, a stator 2 for rotating the rotor 3, and a refrigerant compressed from the sealed container 1 are connected to the suction pipe 1g.
  • a discharge pipe 1f for discharging.
  • the shaft 1c, the stator 2, and the rotor 3 constitute a motor 1b.
  • the hermetic container 1 constitutes an outer shell of the compressor 100.
  • the sealed container 1 at least a compression mechanism 1d, a motor 1b, and the like are provided.
  • the hermetic container 1 is composed of an upper shell 1a1 and a lower shell 1a2 that constitutes a shell and a lower shell of the compressor 100.
  • the upper shell 1a1 is an end side shell that constitutes the upper part of the hermetic container 1, and is subjected to, for example, drawing and has a shape close to a hemisphere.
  • the upper shell 1a1 is connected to a discharge pipe 1f provided in communication with the inside and outside of the sealed container 1.
  • the lower shell 1a2 constitutes an intermediate portion and a lower portion of the sealed container 1, and has, for example, a bottomed cylindrical shape whose lower side is closed. That is, the lower shell 1a2 is formed with an opening on the upper side to press-fit the upper shell 1a1, and stores the refrigerating machine oil used for reducing the sliding friction of the compression mechanism 1d by closing the lower side. It is like that.
  • the lower shell 1 a 2 is connected to a suction pipe 1 g for supplying a refrigerant into the sealed container 1.
  • the stator 2 of the motor 1b is attached to the inner peripheral surface of the lower shell 1a2, and the compression mechanism 1d is attached to the lower side of the inner peripheral surface of the lower shell 1a2 to which the stator 2 is attached. Yes.
  • suction pipe 1g and reservoir 1h One of the suction pipes 1g is connected to the lower shell 1a2 of the sealed container 1 so as to communicate with the cylinder of the compression mechanism 1d.
  • the other end of the suction pipe 1g is connected to a liquid reservoir 1h.
  • the liquid reservoir 1h has a function as a muffler for reducing refrigerant sound and the like flowing into the compressor 100.
  • the liquid reservoir 1h also has a function as an accumulator capable of storing a liquid refrigerant.
  • One side of the liquid reservoir 1h is connected to the suction pipe 1g.
  • the compression mechanism 1 d compresses the refrigerant supplied via the liquid reservoir 1 h and the suction pipe 1 g and discharges it into the sealed container 1.
  • the compression mechanism 1d is attached to the inner surface of the lower shell 1a2.
  • the compression mechanism 1d is provided with a cylinder that compresses the refrigerant supplied from the suction pipe 1g, a piston that slidably rotates the cylinder, and the like. This piston is connected to the shaft 1c and moves eccentrically in the cylinder.
  • the compression mechanism 1d is provided with bearings 1e that rotatably support the shaft 1c on the upper end surface side and the lower end surface side.
  • the motor 1b has a shaft 1c whose lower end is connected to the bearing 1e of the compression mechanism 1d, a rotor 3 to which the shaft 1c is fixed and transmits its rotation to the shaft 1c, and a multi-layer winding coil 11 (see FIG. 2B). Is wound around the stator 2.
  • the rotor 3 is fixed to the upper side of the connection position of the compression mechanism 1d, and the shaft 1c rotates with the rotation of the rotor 3 to rotate the piston of the compression mechanism 1d.
  • the rotor 3 is provided with a permanent magnet (not shown) and is rotatably supported by the shaft 1c.
  • the rotor 3 is supported at a predetermined interval with respect to the inside of the stator 2.
  • the stator 2 rotates the rotor 3 and has an outer peripheral surface fixed to the inner peripheral surface of the lower shell 1a2.
  • the stator 2 includes a core core 5 composed of a plurality of electromagnetic steel plates, an insulator 6 attached to the core core 5, and a plurality of layers on the core core 5 via the insulator 6. It has a winding coil 11 to be wound.
  • the iron core 5 is obtained by laminating a plurality of electromagnetic steel plates, and a plurality of cores 5 are arranged in an annular shape.
  • An insulator 6 used for insulation between the winding coil 11 and the iron core 5 is attached to the iron core 5.
  • the insulator 6 is made of, for example, a resin so that the winding coil 11 and the iron core 5 are insulated.
  • the insulator 6 on the compression mechanism 1d side of the insulator 6 is an insulator L side 6B
  • the insulator 6 on the upper shell 1a1 side of the insulator 6 is an insulator U side 6A. That is, a portion of the insulator 6 located on the lower side of the lower end surface from the iron core 5 is referred to as an insulator L side 6B, and a portion of the insulator 6 located on the upper side of the upper end surface from the iron core 5 is referred to as an insulator U side 6A.
  • the insulator L side 6 ⁇ / b> B can see a part of the winding coil 11 wound around the insulator L side 6 ⁇ / b> B.
  • a cavity (not shown) is formed on the insulator U side 6A, and a magmate 8 to which a lead wire 9 used for supplying electricity to the U phase, V phase and W phase is connected is embedded. ing. Further, the U phase, the V phase, and the W phase are electrically connected to each other via the jumper wire 10.
  • the winding coil 11 is wound around the iron core 5 through a plurality of layers via the insulator U side 6A and the insulator L side 6B.
  • the stator 2 functions as an electromagnet, and interacts with a permanent magnet provided on the rotor 3 to generate a rotational force of the rotor 3.
  • the discharge pipe 1f is a pipe that discharges the high-temperature and high-pressure refrigerant in the sealed container 1 compressed by the compression mechanism 1d to the outside.
  • One end of the discharge pipe 1f is connected to a four-way valve (not shown) used for switching the flow path, and the other end is connected to the upper shell 1a1 so as to communicate with the inside and outside of the sealed container 1. .
  • FIG. 3A is a schematic bottom view of a single iron core core of the motor according to Embodiment 1 of the present invention.
  • FIG. 3B is a schematic side view of a single iron core core of the motor according to Embodiment 1 of the present invention.
  • FIG. 3C is a schematic top view of a single iron core core of the motor according to Embodiment 1 of the present invention.
  • the iron core 5 has a short-side L-side winding portion 12 a around which the coil is wound below the iron core 5, and a long-side side winding around which the coil is wound on the side surface of the iron core 5.
  • the short side U side winding part 12c which winds a coil above the part 12b and the iron core 5 is provided.
  • a winding coil 11 is wound around the short side L-side winding portion 12a in parallel with the short side L-side winding portion 12a, and a winding coil 11 is wound around the long side surface winding portion 12b. It is wound parallel to the winding part 12b.
  • the winding coil 11 is wound around the short side U-side winding portion 12c with an inclination so that the winding is shifted by one pitch. In this way, the winding coil 11 is wound around the iron core 5 in a plurality of layers.
  • FIG. 4 is an enlarged perspective view of the insulator of the motor according to Embodiment 1 of the present invention.
  • the insulator U-side 6 ⁇ / b> A has a lower surface in contact with the iron core 5 as an insulator-side iron core contact surface 20.
  • Flat claws 16 and claws 17 protrude downward in the axial direction on both ends of the outer edge of the insulator-side iron core contact surface 20 (the outer peripheral side of the iron core 5).
  • a claw 18 and a claw 19 protrude downward in the axial direction on both ends of the inner edge of the insulator-side iron core contact surface 20 (inner diameter side of the iron core 5).
  • the lower surface side of the insulator L side 6B has the same configuration as that of the insulator U side 6A.
  • the insulator L side 6 ⁇ / b> B has the lower surface in contact with the iron core 5 as the insulator side iron core contact surface 20.
  • Flat claws 16 and claws 17 protrude downward in the axial direction on both end sides of the outer edge (iron core 5 side) of the insulator-side iron core contact surface 20.
  • a claw 18 and a claw 19 protrude downward in the axial direction on both end sides of the inner edge of the insulator-side iron core contact surface 20 (inner diameter side of the iron core 5).
  • claw 17 are corresponded to the "1st projection part" in this invention.
  • the claw 17 and the claw 18 correspond to the “second protrusion” in the present invention.
  • FIG. 5 is an enlarged perspective view showing a method for attaching the insulator and the iron core of the motor according to Embodiment 1 of the present invention.
  • the iron core 5 is positioned at the core back portion 40 extending in the circumferential direction, the tooth portion 41 protruding from the center portion of the core back portion 40 in the center direction, and the tip of the tooth portion 41. Teeth tip portion 42 to be configured.
  • An end surface in the axial direction in which the iron core 5 contacts the insulator is referred to as an iron core-side insulator contact surface 21.
  • the core back part 40 is provided with the groove part 22 and the groove part 23 on the outer peripheral part, and the groove parts 22 and 23 are provided in the axial direction of the outer peripheral part from the iron core side insulator contact surface 21.
  • the groove part 22 and the groove part 23 are provided in the outer peripheral part of the core back part 40 in the site
  • the insulator U side 6A and the insulator L side 6B are attached to the iron core 5 from above the iron core 5 as indicated by the direction of the arrow 30. At this time, the insulator side iron core contact surface 20 and the iron core side insulator contact surface 21 are bonded.
  • FIG. 6 is an enlarged perspective view showing a state where an insulator is attached to the iron core of the motor according to Embodiment 1 of the present invention.
  • the claw 16 is fitted into the groove portion 22, and the claw 17 is fitted into the groove portion 23, and is attached by an interference fit or an intermediate fit.
  • the claw 18 and the claw 19 on the insulator U side 6 ⁇ / b> A come into contact with the inner peripheral surface of the tooth distal end portion 42.
  • the insulator U side 6A is attached to the iron core 5 such that the claws 16, 17, 18, and 19 sandwich the iron core 5.
  • the insulator L side 6B is also attached to the iron core 5 in the same manner as the insulator U side 6A. That is, the insulator U side 6A is provided on one end face of the iron core 5, and the insulator L side 6B is provided on the other end face.
  • the claw 18 and the claw 19 abut on the inner peripheral surface of the tooth tip portion 42 that does not overlap the projection surface of the tooth portion 41 on the tooth tip portion 42 of the tooth tip portion 42.
  • the motor 1 b includes the rotor 3 on the inner peripheral side of the iron core 5 arranged in an annular shape, but the claw 18 and the claw 19 are provided at positions that do not contact the rotor 3.
  • the claw 16 fits in the groove portion 22 so as not to protrude from the outer peripheral surface of the iron core 5.
  • the claw 17 fits in the groove 23 so as not to protrude from the outer peripheral surface of the iron core 5.
  • claw 17 was made into flat form, this invention is not limited to this, You may form in circular arc shape or rod shape.
  • the insulator 6 provided the nail
  • the present invention is not limited to this, and when the length of the claw is long and the width of the claw is wide, the insulator 6 can be stably attached to the iron core 5, so that the claw is attached to the insulator 6 and the inner diameter of the iron core 5.
  • One each may be provided on the side and the outer diameter side.
  • three or more claws of the insulator 6 may be provided on the insulator 6 on the inner diameter side and the outer diameter side of the iron core 5.
  • the motor 1b includes the iron core 5 and the insulator 6 arranged on the end surface in the axial direction of the iron core 5, and the iron core 5 is disposed on the outer peripheral portion.
  • At least one groove portion 22, 23 is provided, the groove portion 22, 23 is provided in the axial direction from the end surface to the outer peripheral surface, and the insulator 6 protrudes downward from the contact surface with the iron core 5 in the axial direction.
  • the claws 16 and 17 are provided, and the claws 16 and 17 are fitted with the groove portions 22 and 23.
  • the iron core 5 is comprised from the core back part 40 extended in the circumferential direction, the teeth part 41 protruded in the center direction from the center part of the core back, and the teeth front-end
  • the insulator 6 includes at least one claw 18, 19 that protrudes downward in the axial direction from the contact surface with the iron core 5, and the claw 18, 19 abuts against the inner peripheral surface of the tooth tip portion 42. Sandwiches the iron core 5. By doing in this way, the effect that an insulator is stably installed to iron core 5 can be acquired.
  • the claw 18 and the claw 19 abut on the inner peripheral surface of the tooth tip portion 42 that does not overlap the projection surface of the tooth portion 41 on the tooth tip portion 42 of the tooth tip portion 42.
  • the iron core 5 is comprised from the core back part 40 extended in the circumferential direction, the teeth part 41 protruded in the center direction from the center part of the core back, and the teeth front-end
  • the groove portions 22 and 23 are provided in a portion of the outer peripheral portion of the core back portion 40 that does not overlap with the projection surface of the teeth portion 41 onto the core back portion 40.
  • the rotor 3 is provided rotatably on the inner peripheral side of the iron core 5, and the claw 18 and the claw 19 are provided at positions where they do not come into contact with the rotor 3.
  • Embodiment 2 Since the basic configuration of the motor 1b in the second embodiment is the same as that of the motor 1b in the first embodiment, the second embodiment will be described below with a focus on differences from the first embodiment.
  • the difference between the first embodiment and the second embodiment is that the insulator is fixed to the iron core with two claws provided on the insulator.
  • FIG. 7 is an enlarged perspective view showing a method of attaching the insulator and the iron core of the motor according to Embodiment 2 of the present invention.
  • a claw 24 and a claw 25 protrude downward in the axial direction on both end sides of the outer edge (the outer peripheral side of the iron core 5) of the lower surface of the insulator U side 6 ⁇ / b> A.
  • the claw 24 and the claw 25 have a trapezoidal shape in cross section.
  • the insulator L side 6B has the same configuration as the insulator U side 6A.
  • the core back part 40 of the iron core 5 is provided with the groove part 26 and the groove part 27 on the outer peripheral part, and the groove parts 26 and 27 are provided in the axial direction of the outer peripheral part from the iron core side insulator contact surface 21.
  • the groove 26 and the groove 27 are trapezoidal in cross section.
  • the groove part 26 and the groove part 27 are provided in the outer peripheral part of the core back part 40 in the site
  • the trapezoidal claw 24 on the insulator U side 6A is fitted in the trapezoidal groove portion 26, and the trapezoidal claw 25 is fitted in the trapezoidal groove portion 27, whereby the circumferential direction of the iron core 5 on the insulator U side 6A. And the radial position is determined.
  • the fixing of the insulator U side 6A to the iron core 5 in the axial direction is fixed by an interference fit or an intermediate fit.
  • the insulator L side 6B is also attached to the iron core 5 in the same manner as the insulator U side 6A. That is, the insulator U side 6A is provided on one end face of the iron core 5, and the insulator L side 6B is provided on the other end face.
  • the claw 24 does not protrude from the groove portion 26 in the outer diameter direction.
  • the claw 25 does not protrude from the groove portion 27 in the outer diameter direction.
  • the claws 24 and 25 and the groove portions 26 and 27 have a trapezoidal configuration in the cross section.
  • an insulator can be stably fixed to an iron core.
  • an effect of reducing the number of parts can be obtained.
  • Embodiment 3 Since the basic configuration of the motor 1b in the third embodiment is the same as that of the motor 1b in the first embodiment, the second embodiment will be described below with a focus on differences from the first embodiment.
  • the difference between the first embodiment and the second embodiment is that a hole is provided in the insulator and a protrusion is provided in the iron core.
  • FIG. 8 is an enlarged perspective view of the insulator of the motor according to Embodiment 3 of the present invention.
  • a protrusion insertion hole 28 is provided in the insulator side iron core contact surface 20 of the insulator U side 6 ⁇ / b> A.
  • the insulator L side 6B is provided with a protrusion insertion hole 28 in the insulator side iron core contact surface 20.
  • FIG. 9 is an enlarged perspective view showing a method for attaching the insulator and the iron core of the motor according to the third embodiment of the present invention.
  • the core-core-side insulator contact surface 21 of the iron core 5 is provided with a convex portion 29 protruding in the axial direction.
  • the insulator U side 6 ⁇ / b> A is fixed to the iron core 5 by fitting the protruding portion insertion hole 28 and the convex portion 29.
  • the insulator L side 6 ⁇ / b> B is also fixed to the iron core 5.
  • the motor 1b includes the iron core 5 and the insulator 6 disposed on the end surface in the axial direction of the iron core 5, and the iron core 5 has an upper end surface or a lower surface.
  • a protrusion 29 protruding in the axial direction is provided on at least one of the end faces, and the insulator 6 is provided with a protrusion insertion hole 28 at the lower end face, and the protrusion 29 is configured to fit into the protrusion insertion hole 28.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Insulation, Fastening Of Motor, Generator Windings (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Compressor (AREA)

Abstract

L'objet de la présente invention est d'obtenir un moteur dans lequel un isolant et un noyau de fer sont fixés sans réduire l'efficacité du moteur. Un moteur selon la présente invention est pourvu d'un noyau de fer (5) et d'un isolant (6) qui est placé sur une face d'extrémité dans une direction axiale du noyau de fer (5). Le noyau de fer (5) a au moins une section de rainure (22) ou (23) sur une section circonférentielle externe de celui-ci. La section de rainure (22) ou (23) est ménagée dans la section circonférentielle externe, dans la direction axiale en partant de la face d'extrémité. L'isolant 6 a au moins une griffe (16) ou (17) qui fait saillie vers le bas dans la direction axiale à partir d'une surface en contact avec le noyau de fer (5). La griffe (16) ou (17) s'adapte à la section de rainure (22) ou (23).
PCT/JP2015/066515 2015-06-08 2015-06-08 Moteur et compresseur Ceased WO2016199203A1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2017522774A JP6479179B2 (ja) 2015-06-08 2015-06-08 モータ及び圧縮機
US15/554,730 US10797551B2 (en) 2015-06-08 2015-06-08 Motor and compressor having insulator and stator core with non-overlapping grooves
PCT/JP2015/066515 WO2016199203A1 (fr) 2015-06-08 2015-06-08 Moteur et compresseur
EP15864315.5A EP3128649B1 (fr) 2015-06-08 2015-06-08 Moteur et compresseur
CN201610304898.0A CN106253533B (zh) 2015-06-08 2016-05-10 马达以及压缩机
CN201620419096.XU CN205725224U (zh) 2015-06-08 2016-05-10 马达以及压缩机

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2015/066515 WO2016199203A1 (fr) 2015-06-08 2015-06-08 Moteur et compresseur

Publications (1)

Publication Number Publication Date
WO2016199203A1 true WO2016199203A1 (fr) 2016-12-15

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Application Number Title Priority Date Filing Date
PCT/JP2015/066515 Ceased WO2016199203A1 (fr) 2015-06-08 2015-06-08 Moteur et compresseur

Country Status (5)

Country Link
US (1) US10797551B2 (fr)
EP (1) EP3128649B1 (fr)
JP (1) JP6479179B2 (fr)
CN (2) CN106253533B (fr)
WO (1) WO2016199203A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018196171A (ja) * 2017-05-12 2018-12-06 株式会社デンソー 電機子及びモータ
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CN205725224U (zh) 2016-11-23
US10797551B2 (en) 2020-10-06
EP3128649B1 (fr) 2021-07-28
JP6479179B2 (ja) 2019-03-06
EP3128649A1 (fr) 2017-02-08
CN106253533A (zh) 2016-12-21
JPWO2016199203A1 (ja) 2017-12-28
US20180048206A1 (en) 2018-02-15
CN106253533B (zh) 2019-05-07

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